Product Description
The QSC GXD4 Digital Amplifier delivers outstanding power and reliability, making it an ideal choice for music professionals and production applications. Engineered with the hallmarks of QSC quality, this lightweight yet robust amplifier provides exceptional audio performance with built in digital signal processing (DSP) for optimal sound control.
Designed for 4 and 8 ohm loudspeaker loads, the GXD4 ensures just the right amount of power for popular speaker configurations. Unlike traditional amplifiers with outdated rear panel controls, the GXD4 features a modern LCD interface and precision rotary encoders for effortless adjustments.
The integrated DSP offers high and low pass filters, a 4 band parametric equaliser, delay, and smart speaker protection. Whether for live events, entertainment setups, or production environments, the GXD4 provides professional grade amplification with user friendly operation and long term reliability.
Key Features:
- Advanced DSP Processing:
Built in high and low pass filters, 4 band parametric EQ, speaker limiting, and signal delay enable precise audio customisation. - Versatile Connectivity:
Features parallel XLR and 1/4″ TRS inputs for universal compatibility and professional NL4 and binding post outputs for flexible speaker connections. - Smart Speaker Protection:
Prevents amplifier clipping and allows users to set power and impedance levels with Mild, Medium, or Aggressive protection settings.
Powerful Performance and Reliability:
The GXD4 is engineered for long term reliability with advanced protection circuitry that safeguards against short circuits, overheating, and RF interference. Its Class D amplification ensures high efficiency while maintaining excellent audio clarity. The digital limiter prevents signal clipping, prolonging loudspeaker life and maintaining consistent performance.
Intuitive Controls and Display:
The amplifier’s front panel features a large LCD display and precision rotary encoders for easy setup and monitoring. Users can quickly adjust gain, DSP settings, and protection levels with clear visual feedback. LED indicators provide real time signal presence and input overload warnings, ensuring complete control over system operation.
Lightweight and Practical Design:
With a sleek and contemporary design, the GXD4 is lightweight yet durable, making it easy to transport and integrate into various audio setups. The compact 2RU chassis fits seamlessly into racks, offering professional grade performance in a space efficient form factor.
Specifications:
- Power Output: 600W (8 ohm dynamic), 800W (4 ohm dynamic), 400W (8 ohm continuous), 600W (4 ohm continuous)
- Distortion: <1% THD at 1kHz full power
- Signal to Noise Ratio: 100 dB (A-weighted, 20Hz-20kHz)
- Input Sensitivity: 1.2 Vrms, 3.9 Vrms
- Maximum Gain: 33.5 dB
- Output Circuitry: Class D
- Power Consumption: 100V AC (3.4A), 120V AC (2.9A), 230V AC (1.6A)
- Frequency Response: 20Hz-20kHz (+0.7 dB, -0.8 dB)
- Input Impedance: 20k (balanced), 10k (unbalanced)
- Input Connectors: XLR and 1/4″ TRS
- Output Connectors: NL4 and binding posts
- Protection Features: Short circuit, open circuit, thermal, RF protection
- Dimensions (HWD): 89mm x 483mm x 259mm (3.5” x 19” x 10.2”)
- Weight: 5.1kg (net), 7.0kg (shipping)
- Certifications: UL, CE, RoHS/WEEE compliant
- Included Accessories: Power cable and quick start guide
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